This Pendant Necklace (SJHP0018RMS-SS) is made with Solid .925 Sterling Silver (925/1000) and Gemstone embellished in this Pendant Necklace is 100% Natural Rainbow Moonstone. Gemstone Size is 10x14mm Oval and total weight of Gemstone is approximately 6.60 carats. 18 Inches Sterling Silver Chain is included with every Pendant.